Curtis, Helena <br/><br/>
The marvellous animals :  an introduction to the protozoa / 
H. Curtis; drawings by Shirley Baty 
 - London :  Heinemann Educational,  1969. 
 - xvii, 190 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0435601903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protozoa
<br/><br/><label>Dewey Class. No.: </label>593